The Bridge is not always possed of an other side. Crossing is all that matters.

A Bridge is literally a bridge through space and time.

A Bridge is a hallway

A Bridge has no allegiance to either side.

Education is a chest of tools.

Education is atmosphere, nothing more.

Education is the making of men.

Education is soul crafting.

A Key is a very specialized lockpick.

A Key is just a metal password.

The Key is an object with a special knack for tricking you into thinking it does not belong to the right lock.

Knowledge requires sacrifice — All wish to know, but none want to pay the price. JUVENAL: Satires, VII, 118

Knowledge is that whose strength does not depend on its degree of truth but on its age - on the degree to which it has been incorporated

Knowledge is important — The only knowledge that can hurt you is the knowledge you don't have.

Knowledge is boundless; human capacity limited.